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We also snorkeled with the turtles through a Princess excursion. It was great! As I recall we took a rather uninspiring two deck motor boat to the location (cruised along some pretty beaches) and then we entered the water from a platform to snorkel. We then swam to shore and got into kayaks (2 person) and we asked the shuttle driver to drop us off near some real local-looking sandwich shop and walked to some great little shops before taking a taxi back to the ship. I can't remember the name of where we ate (it was on the way back to the ship, on the right hand side of the road)........it reminded me of a burger king, but it wasn't. It was fast, inexpensive, and got us to where we could walk to some art galleries/local handicraft stores. Hope this helps. Sorry I don't have the answers to your other questions.
